/* top bar */
.top_bar {
    width: 100%;
    height: auto;
    padding-top: 20px;
    background-color: rgba(255, 255, 255, 0.911);
    position: fixed;
    top: 0;
    z-index: 500;

}

.top_bar_con {
    width: 1200px;
    height: 70px;
    margin: 0 auto;
}

.top_bar .top_bar_left {
    float: left;

}

.top_bar .top_bar_left img {
    display: block;
}

.top_bar .top_bar_left img:first-child {
    width: 200px;
    height: 40px;
}

.top_bar .top_bar_left p {
    letter-spacing: 16px;
    text-indent: 3px;
    font-weight: 800;
}

.top_bar .top_bar_search {
    width: 300px;
    height: 46px;
    float: left;
    position: relative;
    left: 50%;
    top: 50%;
    margin-left: -420px;
    transform: translateY(-50%);
    border: 2px solid #aaa;
    border-radius: 30px;
    font-size: 16px;
    margin-top: -5px;
}

.top_bar .top_bar_search .search-input {
    float: left;
    border: none;
    margin-left: 46px;
    margin-top: 15px;
    font-size: 14px;
    width: 165px;
}

.top_bar .top_bar_search i {
    color: rgb(143, 141, 141);
    position: absolute;
    top: 50%;
    left: 20px;
    transform: translateY(-50%);
}

.top_bar .top_bar_search .search-btn {
    float: left;
    width: 68px;
    height: 34px;
    line-height: 34px;
    text-align: center;
    color: #fff;
    border-radius: 20px;
    background-image: url(../images/header-search-btn.png);
    background-size: 100%;
    background-repeat: no-repeat;
    margin-top: 6px;
    margin-left: 14px;
    border: none;
    background-color: #fff;
    font-size: 16px;
    cursor: pointer;
    padding: 0 ;
}

.top_bar .top_bar_right {
    float: right;
    font-size: 18px;
    margin-top: 15px;
    font-weight: 500;
}

.top_bar .top_bar_right a {
    color: #000;
    margin-right: 5px;
    position: relative;
}

.top_bar .top_bar_right a:hover {
    text-decoration: none;
    color: #EC3D42;
}

.top_bar .top_bar_right a::after {
    content: '';
    width: 32px;
    height: 3px;
    display: block;
    background-color: #EC3D42;
    position: absolute;
    top: 25px;
    left: 50%;
    transform: translateX(-50%);
    display: none;
}

.top_bar .top_bar_right a:nth-child(2):after {
    width: 90px;
}

.top_bar .top_bar_right a:nth-child(3):after {
    width: 108px;
}

.top_bar .top_bar_right a:hover::after {
    display: block;
}

.top_bar .top_bar_right a.active {
    color: #EC3D42;
    font-size: 18px;
}

.top_bar .top_bar_right a.active::after {
    display: block;
}

.top_bar .top_bar_right button {
    width: 68px;
    height: 34px;
    line-height: 34px;
    text-align: center;
    color: #fff;
    border-radius: 20px;
    background-image: url(../images/header-search-btn.png);
    background-size: 100%;
    background-repeat: no-repeat;
    margin-left: 14px;
    border: none;
    background-color: #fff;
    font-size: 16px;
    cursor: pointer;
    padding: 0 ;
}

/* 首页底部 */
.bottom_bar .custom_ser {
    width: 100%;
    height: auto;
    border-top: 1px solid #e1e1ee;
    margin-top: 90px;
}

.bottom_bar .custom_ser .custom_ser_main {
    width: 480px;
    height: auto;
    display: flex;
    justify-content: space-around;
    margin: 0 auto;
    padding-top: 15px;
}

.custom_ser .custom_ser_main div:nth-child(1) {
    margin-top: 29px;
    font-size: 12px;
    margin-right: 4px;
}

.custom_ser .custom_ser_main div:nth-child(2) {
    margin-top: 15px;
}

.custom_ser .custom_ser_main div:nth-child(2) h4 {
    font-size: 28px;
    color: #333;
    font-weight: bold;
}

.custom_ser .custom_ser_main div:nth-child(2) p {
    letter-spacing: 19px;
    text-indent: 4px;
    font-size: #333;
}

.custom_ser .custom_ser_main div:nth-child(4) {
    margin-top: 15px;
    margin-left: 10px;
}

.custom_ser .custom_ser_main div:nth-child(4) h3 {
    font-size: 22px;
    color: #EC3D42;
    font-weight: bold;
}

.custom_ser .custom_ser_main div:nth-child(4) p {
    letter-spacing: 4px;
    text-indent: 3px;
    line-height: 20px;
}

.bottom_bar .about_us {
    width: 100%;
    height: auto;
    background-color: #F3F3F7;
    padding-bottom: 10px;
    padding-top: 10px;
}

.bottom_bar .about_us .about_us_main {
    width: 600px;
    height: auto;
    margin: 0 auto;
    text-align: center;
    color: #676767;
    font-size: 12px;
    line-height: 24px;
}

.bottom_bar .about_us .about_us_main ul {
    text-decoration: none;
    /* display: flex;
    justify-content: space-around; */
    margin-left: 90px;

}

.bottom_bar .about_us .about_us_main li {
    float: left;
    margin-left: 30px;
    position: relative;
}

.bottom_bar .about_us .about_us_main li::after {
    content: '';
    width: 1px;
    height: 12px;
    display: block;
    background-color: #676767;
    position: absolute;
    left: 65px;
    top: 6px;
}

.bottom_bar .about_us .about_us_main li:last-child:after {
    background-color: #fff;
}

.bottom_bar .about_us .about_us_main ul li a {
    color: #676767;
}